FREE delivery on orders over €150
Product Specifications:
| Item | Step Drill Bit |
| Bit Length | 3 1/8" |
| Decimal Equivalent | 0.1875, 0.25, 0.3125, 0.375, 0.4375, 0.5 |
| Design | Ensures True Starts Without Walking Even On Curved Surfaces |
| Drill Bit Sizes Included | 3/16", 1/4", 5/16", 3/8", 7/16", 1/2" |
| Finish | Bright |
| Finish - Machining | Black Oxide |
| Impact Rated | No |
| Material | High Speed Steel |
| Material - Machining | High Speed Steel |
| Maximum Drilling Depth | 5/16" |
| Maximum Hole Size | 1/2" |
| Measurement System | Fractional Inch |
| Minimum Hole Size | 3/16" |
| Number Of Flutes | 1 |
| Number Of Hole Sizes | 6 |
| Overall Length | 3 1/4" |
| Primary Material Application | Aluminum, Brass, Copper, Laminate, Plastic, Steel, Wood |
| Series | UNIBIT Series |
| Shank Hex Size | 1/4" |
| Shank Size | 1/4" |
| Shank Type | Hex |
| Shank Type - Machining | Hex |
| Size | 3/16" to 1/2" |
| Size Range | 3/16" to 1/2" |
| Size Range | 627142 |
| Sizes Included | 3/16", 1/4", 5/16", 3/8", 7/16", 1/2" |
| Step Increments | 1/16" |
| Step Thickness | 1/16" |
Shipping Info:
| Ship weight (kg) | 0.05 |
| Ship height (cm) | 2.03 |
| Ship length (cm) | 8.26 |
| Ship width (cm) | 7.37 |
| HS code | 8207506000 |
| Country of Origin | US |
Product Details:
- Sub-Brand: IRWIN UNIBIT
Product Variants
| Product | Model | Finish | Number Of Hole Sizes | Drill Bit Sizes Included | Decimal Equivalent | Size | Sizes Included | Minimum Hole Size | Bit Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
UNIBIT 1 | Bright | 13 | 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2" | 0.125, 0.1563, 0.1875, 0.2188, 0.25, 0.2813, 0.3125, 0.3438, 0.375, 0.4063, 0.4375, 0.4688, 0.5 | 1/8" to 1/2" | 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2" | 1/8" | 3 1/8" | €45.77 | |
![]() |
UNIBIT 20 | Bright | 8 | 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1" | 0.5625, 0.625, 0.6875, 0.75, 0.8125, 0.875, 0.9375, 1 | 9/16" to 1" | 1", 11/16", 13/16", 15/16", 3/4", 5/8", 7/8", 9/16" | 9/16" | 3" | €94.06 | |
![]() |
UNIBIT 3 | Bright | 9 | 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" | 0.25, 0.3125, 0.375, 0.4375, 0.5, 0.5625, 0.625, 0.6875, 0.75 | 1/4" to 3/4" | 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" | 1/4" | 2 3/4" | €82.47 | |
![]() |
UNIBIT 10 | Bright | 1 | - | - | 1/2" | 1/2" | - | 1 3/4" | €45.25 | |
![]() |
UNIBIT 11 | Bright | 1 | 7/8" | 0.875 | 7/8" | 7/8" | 7/8" | 2.593" | €60.33 | |
![]() |
UNIBIT 13 | Bright | 1 | 1 1/8" | 1.25 | 1.125" | 1.125" | 1 1/8" | 2 7/8" | €117.72 | |
![]() |
10239 | Steam Oxide | 2 | 7/8", 1-1/8" | 0.875, 1.125 | 7/8" to 1 1/8" | 7/8", 1-1/8" | 7/8" | 3 1/8" | €154.04 |
Explore Products
- BONEHAM GDE6416.5620 Gun Drill Bushing, 35/64 Inch Inside Dia, 1 Inch Outside Dia, 1 Inch Overall Length
- DIXON T7WWMS-300PM Tee, Weld x Weld x Clamp Short Outlet
- MITEE-BITE PRODUCTS INC 80375 Clamps Wedge M2.5 12mm
- AMETEK LAMB 33410-4
- YANKEE 437-0.5938 Reamer Chucking Reamer 0.5938 In
- M. K. MORSE ZHEDR10-7 5 Band Saw Blade 7 Feet 5 Inch Length
- APPLETON ELECTRIC MLFL502J5GMTUP Light Fixture, 50W
Explore More
- BATTERY DOCTOR
- KEYSHAFT
- LLAMBRICH USA
- MOLEX
- ONSRUD
- Right-To-Know Labels
- Cordless Cable Cutters
- Fan Speed Control
- Histology
- Fiberglass Square Tube Stock
- KRYTOX GPL 222 Series Anti Corrosion Grease
- DESTACO 5310 Series Horizontal Hold Down Clamps
- LOC-LINE Anti-Static Hose Segments
- MUELLER INDUSTRIES 101MAT Silent Check Valves
- MUELLER INDUSTRIES 165-N Iron Body Simplex Basket Strainers
- AME INTERNATIONAL Valve Fishing Tools
- CH HANSON Sub Zero Series Flagging Tapes
- LEWISBINS Divider Box Covers
- VIKAN 0.4 Inch Dia. Tube Brushes, Stiff
- MILWAUKEE Wood Cutting Hole Saws
Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
IRWIN INDUSTRIAL TOOLS UNIBIT 2 Hss Step Drill Bit 3/16-1/2 Step 1/16
€45.77 /unit
